Bunn VPR APS service manual Troubleshooting, Problem, Probable Cause, Remedy

TROUBLESHOOTING

A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic Technical Service Department.

•Inspection, testing, and repair of electrical equipment should be performed only by qualified service person- nel.

•This brewer is heated at all times. Keep away from combustibles.

WARNING – • Exercise extreme caution when servicing electrical equipment.

•Unplug the brewer when servicing, except when electrical tests are specified.

•Follow recommended service procedures

•Replace all protective shields or safety notices

PROBLEM	PROBABLE CAUSE	REMEDY
Water is not hot	1. Limit Thermostat	Refer to Service - Limit Thermo-
	CAUTION - Do not eliminate or	stat for testing procedures. See
	bypass limit thermostat/thermal	page 10
	cut-off. Use only BOM replace-
	ment part.
	Limit Thermostat - #29329.0001
	2. Control Thermostat	Refer to Service - Control Ther-
		mostat for testing procedures.
		See page 9

	3.	Tank Heater
Spitting or excessive steaming	1.	Lime Build-up
	CAUTION - Tank and tank com-
	ponents should be delimed
	regularly depending on local
	water conditions. Excessive min-
	eral build-up on stainless steel
	surfaces can initiate corrosive
	reactions resulting in serious
	leaks.
	2.	Control Thermostat

Refer to Service - Tank Heater for testing procedures. See page 10

Inspect the tank assembly for excessive lime deposits. Delime as required.

Refer to Service - Control Ther- mostat for testing procedures. See page 9

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